Table 2.

Regression summary for full polynomial equation of Box-Behnken design for BC pellicle production by Komagataeibacter saccharivorans strain HIJ12

Model term	β co-efficient	t-value	P-value	Confidence level (%)
Intercept	4.6	8.94	0.0003	99.97****
X1	− 2.3	− 7.45	0.0007	99.93***
X2	1.4	4.35	0.007	99.26**
X3	0.32	1.03	0.349	–
X1X2	− 0.08	− 0.18	0.866	–
X1X3	0.06	0.12	0.908	–
X2X3	0.17	0.38	0.723	–
X1X1	0.90	2.04	0.097	90.26*
X2X2	1.13	2.6	0.050	94.975**
X3X3	− 0.79	− 1.8	0.129	–

^**** significant at P = 0.0001, *** significant at P = 0.001,** significant at P-value = < 0.05, and * significant at P-value = 0.1